mirror of
https://github.com/boxpositron/absolute-vim.git
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128 lines
3.0 KiB
Lua
128 lines
3.0 KiB
Lua
-- Sourced from github
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-- https://github.com/3rd/image.nvim/issues/183#issuecomment-2572606511
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M = {}
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local supported_images = { "svg", "png", "jpg", "jpeg", "gif", "webp", "avif" }
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local from_entry = require("telescope.from_entry")
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local Path = require("plenary.path")
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local conf = require("telescope.config").values
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local Previewers = require("telescope.previewers")
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local previewers = require("telescope.previewers")
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local image_api = require("image")
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local is_image_preview = false
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local image = nil
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local last_file_path = ""
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local is_supported_image = function(filepath)
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local split_path = vim.split(filepath:lower(), ".", { plain = true })
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local extension = split_path[#split_path]
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return vim.tbl_contains(supported_images, extension)
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end
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local delete_image = function()
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if not image then
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return
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end
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image:clear()
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is_image_preview = false
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end
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local create_image = function(filepath, winid, bufnr)
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image = image_api.hijack_buffer(filepath, winid, bufnr)
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if not image then
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return
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end
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vim.schedule(function()
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image:render()
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end)
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is_image_preview = true
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end
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local function defaulter(f, default_opts)
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default_opts = default_opts or {}
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return {
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new = function(opts)
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if conf.preview == false and not opts.preview then
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return false
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end
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opts.preview = type(opts.preview) ~= "table" and {} or opts.preview
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if type(conf.preview) == "table" then
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for k, v in pairs(conf.preview) do
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opts.preview[k] = vim.F.if_nil(opts.preview[k], v)
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end
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end
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return f(opts)
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end,
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__call = function()
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local ok, err = pcall(f(default_opts))
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if not ok then
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error(debug.traceback(err))
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end
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end,
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}
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end
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-- NOTE: Add teardown to cat previewer to clear image when close Telescope
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local file_previewer = defaulter(function(opts)
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opts = opts or {}
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local cwd = opts.cwd or vim.fn.getcwd()
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return Previewers.new_buffer_previewer({
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title = "File Preview",
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dyn_title = function(_, entry)
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return Path:new(from_entry.path(entry, true)):normalize(cwd)
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end,
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get_buffer_by_name = function(_, entry)
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return from_entry.path(entry, true)
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end,
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define_preview = function(self, entry, _)
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local p = from_entry.path(entry, true)
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if p == nil or p == "" then
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return
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end
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conf.buffer_previewer_maker(p, self.state.bufnr, {
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bufname = self.state.bufname,
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winid = self.state.winid,
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preview = opts.preview,
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})
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end,
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teardown = function(_)
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if is_image_preview then
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delete_image()
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end
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end,
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})
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end, {})
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local buffer_previewer_maker = function(filepath, bufnr, opts)
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-- NOTE: Clear image when preview other file
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if is_image_preview and last_file_path ~= filepath then
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delete_image()
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end
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last_file_path = filepath
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if is_supported_image(filepath) then
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filepath = string.gsub(filepath, " ", "%%20"):gsub("\\", "")
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create_image(filepath, opts.winid, bufnr)
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else
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previewers.buffer_previewer_maker(filepath, bufnr, opts)
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end
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end
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M.buffer_previewer_maker = buffer_previewer_maker
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M.file_previewer = file_previewer.new
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return M
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